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		<meta name="Keywords" content="sc、孙晨"/>
		<meta name="Description" content="前端技术研究，原创学习资料" />
		<meta name="author" content="孙晨" />
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		<title>在线点名</title>
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				<!--<option value="web-17-01">17级前端1班</option>-->
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				<option value="web-18-02">18级前端2班</option>
				<option value="web-19-01">19级前端1班</option>
				<option value="web-19-02">19级前端2班</option>
				<option value="web-19-03">19级前端3班</option>
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